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Summary: Ctors | Methods | Inherited Methods

# SQLWarning

`public class SQLWarning`
`` `` `` `extends SQLException` ``

java.lang.Object
↳ | java.lang.Throwable
| ↳ | java.lang.Exception
|  | ↳ | java.sql.SQLException
|  |  | ↳ | java.sql.SQLWarning

Known direct subclasses DataTruncation
DataTruncation | An exception thrown as a `DataTruncation` exception (on writes) or reported as a `DataTruncation` warning (on reads) when a data values is unexpectedly truncated for reasons other than its having execeeded `MaxFieldSize`.

An exception that provides information on database access warnings. Warnings are silently chained to the object whose method caused it to be reported.

Warnings may be retrieved from `Connection`, `Statement`, and `ResultSet` objects. Trying to retrieve a warning on a connection after it has been closed will cause an exception to be thrown. Similarly, trying to retrieve a warning on a statement after it has been closed or on a result set after it has been closed will cause an exception to be thrown. Note that closing a statement also closes a result set that it might have produced.

See also:

- `Connection.getWarnings()`
- `Statement.getWarnings()`
- `ResultSet.getWarnings()`

## Summary

### Public constructors
`SQLWarning(String reason, String SQLState, int vendorCode)` Constructs a `SQLWarning` object with a given `reason`, `SQLState` and `vendorCode`.
`SQLWarning(String reason, String SQLState)` Constructs a `SQLWarning` object with a given `reason` and `SQLState`.
`SQLWarning(String reason)` Constructs a `SQLWarning` object with a given `reason`.
`SQLWarning()` Constructs a `SQLWarning` object.
`SQLWarning(Throwable cause)` Constructs a `SQLWarning` object with a given `cause`.
`SQLWarning(String reason, Throwable cause)` Constructs a `SQLWarning` object with a given `reason` and `cause`.
`SQLWarning(String reason, String SQLState, Throwable cause)` Constructs a `SQLWarning` object with a given `reason`, `SQLState` and `cause`.
`SQLWarning(String reason, String SQLState, int vendorCode, Throwable cause)` Constructs a`SQLWarning` object with a given `reason`, `SQLState`, `vendorCode` and `cause`.

### Public methods
`SQLWarning` | `getNextWarning()` Retrieves the warning chained to this `SQLWarning` object by `setNextWarning`.
`void` | `setNextWarning(SQLWarning w)` Adds a `SQLWarning` object to the end of the chain.

### Inherited methods
From class `java.sql.SQLException`
`int` | `getErrorCode()` Retrieves the vendor-specific exception code for this `SQLException` object.
`SQLException` | `getNextException()` Retrieves the exception chained to this `SQLException` object by setNextException(SQLException ex).
`String` | `getSQLState()` Retrieves the SQLState for this `SQLException` object.
`Iterator<Throwable>` | `iterator()` Returns an iterator over the chained SQLExceptions.
`void` | `setNextException(SQLException ex)` Adds an `SQLException` object to the end of the chain.
From class `java.lang.Throwable`
`final void` | `addSuppressed(Throwable exception)` Appends the specified exception to the exceptions that were suppressed in order to deliver this exception.
`Throwable` | `fillInStackTrace()` Fills in the execution stack trace.
`Throwable` | `getCause()` Returns the cause of this throwable or `null` if the cause is nonexistent or unknown.
`String` | `getLocalizedMessage()` Creates a localized description of this throwable.
`String` | `getMessage()` Returns the detail message string of this throwable.
`StackTraceElement[]` | `getStackTrace()` Provides programmatic access to the stack trace information printed by `printStackTrace()`.
`final Throwable[]` | `getSuppressed()` Returns an array containing all of the exceptions that were suppressed, typically by the `try`-with-resources statement, in order to deliver this exception.
`Throwable` | `initCause(Throwable cause)` Initializes the cause of this throwable to the specified value.
`void` | `printStackTrace()` Prints this throwable and its backtrace to the standard error stream.
`void` | `printStackTrace(PrintWriter s)` Prints this throwable and its backtrace to the specified print writer.
`void` | `printStackTrace(PrintStream s)` Prints this throwable and its backtrace to the specified print stream.
`void` | `setStackTrace(StackTraceElement[] stackTrace)` Sets the stack trace elements that will be returned by `getStackTrace()` and printed by `printStackTrace()` and related methods.
`String` | `toString()` Returns a short description of this throwable.
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.
From interface `java.lang.Iterable`
`default void` | `forEach(Consumer<? super T> action)` Performs the given action for each element of the `Iterable` until all elements have been processed or the action throws an exception.
`abstract Iterator<Throwable>` | `iterator()` Returns an iterator over elements of type `T`.
`default Spliterator<Throwable>` | `spliterator()` Creates a `Spliterator` over the elements described by this `Iterable`.

## Public constructors

### SQLWarning

    public SQLWarning (String reason,
                    String SQLState,
                    int vendorCode)

Constructs a `SQLWarning` object with a given `reason`, `SQLState` and `vendorCode`. The `cause` is not initialized, and may subsequently be initialized by a call to the `Throwable#initCause(java.lang.Throwable)` method.

Parameters
`reason` | `String`: a description of the warning
`SQLState` | `String`: an XOPEN or SQL:2003 code identifying the warning
`vendorCode` | `int`: a database vendor-specific warning code

### SQLWarning

    public SQLWarning (String reason,
                    String SQLState)

Constructs a `SQLWarning` object with a given `reason` and `SQLState`. The `cause` is not initialized, and may subsequently be initialized by a call to the `Throwable#initCause(java.lang.Throwable)` method. The vendor code is initialized to 0.

Parameters
`reason` | `String`: a description of the warning
`SQLState` | `String`: an XOPEN or SQL:2003 code identifying the warning

### SQLWarning

    public SQLWarning (String reason)

Constructs a `SQLWarning` object with a given `reason`. The `SQLState` is initialized to `null` and the vender code is initialized to 0. The `cause` is not initialized, and may subsequently be initialized by a call to the `Throwable#initCause(java.lang.Throwable)` method.

Parameters
`reason` | `String`: a description of the warning

### SQLWarning

    public SQLWarning ()

Constructs a `SQLWarning` object. The `reason`, `SQLState` are initialized to `null` and the vendor code is initialized to 0. The `cause` is not initialized, and may subsequently be initialized by a call to the `Throwable#initCause(java.lang.Throwable)` method.

### SQLWarning

    public SQLWarning (Throwable cause)

Constructs a `SQLWarning` object with a given `cause`. The `SQLState` is initialized to `null` and the vendor code is initialized to 0. The `reason` is initialized to `null` if `cause==null` or to `cause.toString()` if `cause!=null`.

Parameters
`cause` | `Throwable`: the underlying reason for this `SQLWarning` (which is saved for later retrieval by the `getCause()` method); may be null indicating the cause is non-existent or unknown.

### SQLWarning

    public SQLWarning (String reason,
                    Throwable cause)

Constructs a `SQLWarning` object with a given `reason` and `cause`. The `SQLState` is initialized to `null` and the vendor code is initialized to 0.

Parameters
`reason` | `String`: a description of the warning
`cause` | `Throwable`: the underlying reason for this `SQLWarning` (which is saved for later retrieval by the `getCause()` method); may be null indicating the cause is non-existent or unknown.

### SQLWarning

    public SQLWarning (String reason,
                    String SQLState,
                    Throwable cause)

Constructs a `SQLWarning` object with a given `reason`, `SQLState` and `cause`. The vendor code is initialized to 0.

Parameters
`reason` | `String`: a description of the warning
`SQLState` | `String`: an XOPEN or SQL:2003 code identifying the warning
`cause` | `Throwable`: the underlying reason for this `SQLWarning` (which is saved for later retrieval by the `getCause()` method); may be null indicating the cause is non-existent or unknown.

### SQLWarning

    public SQLWarning (String reason,
                    String SQLState,
                    int vendorCode,
                    Throwable cause)

Constructs a`SQLWarning` object with a given `reason`, `SQLState`, `vendorCode` and `cause`.

Parameters
`reason` | `String`: a description of the warning
`SQLState` | `String`: an XOPEN or SQL:2003 code identifying the warning
`vendorCode` | `int`: a database vendor-specific warning code
`cause` | `Throwable`: the underlying reason for this `SQLWarning` (which is saved for later retrieval by the `getCause()` method); may be null indicating the cause is non-existent or unknown.

## Public methods

### getNextWarning

    public SQLWarning getNextWarning ()

Retrieves the warning chained to this `SQLWarning` object by `setNextWarning`.

Returns
`SQLWarning` | the next `SQLException` in the chain; `null` if none

See also:

- `setNextWarning(SQLWarning)`

### setNextWarning

    public void setNextWarning (SQLWarning w)

Adds a `SQLWarning` object to the end of the chain.

Parameters
`w` | `SQLWarning`: the new end of the `SQLException` chain

See also:

- `getNextWarning()`

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